package com.vfmall.controller.admin;

import com.vfmall.dto.DishDTO;
import com.vfmall.dto.DishPageQueryDTO;
import com.vfmall.entity.Dish;
import com.vfmall.result.PageResult;
import com.vfmall.result.Result;
import com.vfmall.service.DishService;
import com.vfmall.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品管理")
public class DishController {

    @Autowired
    public DishService dishService;
    @Qualifier("redisTemplate")
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping()
    @ApiOperation("新增菜品")
    public Result<String> save(@RequestBody DishDTO dishDTO) {
        dishService.saveWithFlavor(dishDTO);
        cleanCache("dish_*");
        return Result.success("新增菜品成功");
    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    /**
     * 菜品起售停售
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");

        return Result.success();
    }


    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        dishService.deleteBatch(ids);
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        DishVO byIdWithFlavor = dishService.getByIdWithFlavor(id);
        return Result.success(byIdWithFlavor);
    }
    //修改菜品
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品；{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        cleanCache(dishDTO.getId().toString());
        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


    public void cleanCache(String key){
        Set keys = redisTemplate.keys(key);
        redisTemplate.delete(keys);
    }
}
